condition mean min max ZT0-3 143.15 143.15 143.15 ZT4-7 108.1 108.1 108.1 ZT8-11 104.8 104.8 104.8 ZT12-15 158.3 158.3 158.3 ZT16-19 169.9 169.9 169.9 ZT20-23 183.89999999999998 183.89999999999998 183.89999999999998